12166575824044 has 24 divisors (see below), whose sum is σ = 21394205683200. Its totient is φ = 6053978039760.

The previous prime is 12166575824033. The next prime is 12166575824069. The reversal of 12166575824044 is 44042857566121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2548584 + ... + 5552335.

It is an arithmetic number, because the mean of its divisors is an integer number (891425236800).

Almost surely, 2^{12166575824044} is an apocalyptic number.

It is an amenable number.

12166575824044 is a deficient number, since it is larger than the sum of its proper divisors (9227629859156).

12166575824044 is a wasteful number, since it uses less digits than its factorization.

12166575824044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8102733 (or 8102731 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 55.

The spelling of 12166575824044 in words is "twelve trillion, one hundred sixty-six billion, five hundred seventy-five million, eight hundred twenty-four thousand, forty-four".